Structural modeling

From CFD-Wiki

1. Those that use the physical hypothesis of scale similarity (Bardina et. al., 1980)

2. Those derived by formal series expansions (Clark et. al., 1979)

3. Mixed models, which are based on linear combinations of the eddy-viscosity and structural types

or

4. Dynamic structure models, which divide the modeled SGS stress into a model for the SGS kinetic energy and a model for the structure of the SGS stress tensor (relative weights of each of the components) (Pomraning and Rutland, 2002; Lu et. al. 2007, 2008; Lu and Porte-Agel, 2010)

or

The transport equation for the SGS kinetic energy can be used to close the model (Pomraning and Rutland, 2002; Lu et. al., 2008)

or use a zero-equation procedure (Lu and Porte-Agel, 2010) to estimate the SGS kinetic energy.